Merge branch 'PHP-7.1'

* PHP-7.1:
  Increase realpath_cache_size default value
  add UPGRADING note for realpath_cache_size

diff --cc UPGRADING
index 58df398cb77df389f106a40607162eb3d5cc2567,f311a5b9ad10548f2dda2cf6d3ee527cab32dd65..f6d858b5df38a1ce409a3830236fd920dafbeaf7
--- 1/UPGRADING
--- 2/UPGRADING
+++ b/UPGRADING
@@@ -204,9 -407,14 +204,12 @@@ PHP 7.2 UPGRADE NOTE
  11. Changes to INI File Handling
  ========================================
  
 -- serialize_precision
 -  . If the value is set to -1, then the dtoa mode 0 is used. The value -1
 -    is now used by default.
 +- sql.safe_mode
 +  . This INI directive have been removed.
  
 -- precision
 -  . If the value is set to -1, then the dtoa mode 0 is used. No changes
 -    in default value which is still 14.
++- realpath_cache_size
++  . Set to 4096k by default
+ 
  ========================================
  12. Windows Support
  ========================================

diff --cc main/main.c
Simple merge

diff --cc php.ini-development
Simple merge

diff --cc php.ini-production
Simple merge